2024-01-20 09:39:10 -08:00
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# Ultra Affordable EFI for Honda OBD1
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## Community Support
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🔴Community support ONLY 🔴 https://www.facebook.com/groups/rusEfi 🔴 [Discord](https://github.com/rusefi/rusefi/wiki/Discord)🔴
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## Technical Details
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See https://github.com/rusefi/rusefi/wiki/uaEFI
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[pinout](https://rusefi.com/docs/pinouts/uaefi/honda-obd1/)
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2024-02-12 16:23:46 -08:00
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[Schematics rev a](Hardware/Hellen/uaefi-Honda-OBD1-adapter-a-schematic.pdf)
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2024-03-08 18:07:18 -08:00
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## Features
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2024-03-08 18:13:03 -08:00
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* on-board LSU 4.9 controller exposed on extra ECU plug
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* flex fuel sensor input exposed on extra ECU plug
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* option to use coil on plugs see J4
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* option to convert to hall position sensors see J5
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* option to upgrade to electronic throttle body J1+J2
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2024-03-09 03:48:42 -08:00
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## Micro Fit
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* harness side 2x3 0430250600
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* harness side 2x4 0430250808
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* harness side terminal 0430300001
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* PCB side 2x3 0430450612
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2024-03-08 18:07:18 -08:00
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2024-01-20 09:39:10 -08:00
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See https://github.com/rusefi/rusefi/wiki/Vault-Of-Honda-OEM#obd-1
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2024-01-20 15:41:57 -08:00
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## OEM Cases
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2024-01-20 20:11:00 -08:00
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37820-p2e OBD2 case looks very similar to P28 OBD1 case
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